#include<bits/stdc++.h>
using namespace std;
int main()
{
    freopen("in.txt","r",stdin);
    string k="lmc";
    string s="";
    cin>>s; 
    int len = k.length(),p=0;
    for(int i = 0; i < s.length(); i++)
    {
        s[i]+=k[p++]-'a'; 
        if(s[i]-'z'>0 || s[i] < 0) s[i]-=26; 
        p%=len;
    } 
    cout<<s<<endl;
    return 0;
}